Is he cheating on me?

I am in a LDR since 2019. Last year he broke up with me after his son went to university and he was very depressed. Then after 10 months, we got back together. But now his phone gets turned off all of a sudden every week and then he say's he is not sure about being in a relationship. Few days before he said that he talked to the woman he dated last year over the phone because she called him from another number and he thinks she is fun to be with. But he said that he wants to be with me. A few days before on Sunday, his phone was off till 3 pm and then next day when we talked, I saw him wearing a beaded blue evil eye bracelet and I searched online and it showed as a turkish evil eye couple bracelet. But he said that he got it from outside of a market. Also he seems very distracted and most of the time he is angry and complaining and he says that I always accuse him that makes him not to want to talk to me. Do you think he is cheating on me?

Is he cheating on me?
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